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MPC8280 Datasheet(PDF) 922 Page - Freescale Semiconductor, Inc

Part # MPC8280
Description  PowerQUICC??II Family Reference Manual
PDF  1386 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MPC8280 Datasheet(HTML) 922 Page - Freescale Semiconductor, Inc

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Multi-Channel Controllers (MCCs)
MPC8280 PowerQUICC II Family Reference Manual, Rev. 1
29-32
Freescale Semiconductor
Figure 29-16. Receiver Super Channel without Slot Synchronization Example
29.6
MCC Configuration Registers (MCCF
x)
The MCC configuration register (MCCF), shown in Figure 29-17, defines the mapping of the MCC
channels to the TDM channels. MCC1 can be connected to SI1 and MCC2 can be connected to SI2. For
each MCCx-SIx pair, each of the four 32 channels subgroups can be connected to one of the four TDM
highways (TDMA, TDMB, TDMC, and TDMD).
Table 29-15 describes MCCF fields.
01234567
Field
Group 1
Group 2
Group 3
Group 4
Reset
0000_0000
R/W
R/W
Addr
0x11B38 (MCCF1), 0x11B58 (MCCF2)
Figure 29-17. SI MCC Configuration Register (MCCF)
Table 29-15. MCCF Field Descriptions
Bits
Name
Description
0–1, 2–3, 4–5, 6–7
GROUP
x Group x of channels is used by TDM y as shown in Table 29-16.
00 Group x is used by TDM A.
01 Group x is used by TDM B.
10 Group x is used by TDM C.
11 Group x is used by TDM D.
0
1
2
3–10
11–13
14
15
MCC
LOOP SUPER
MCSEL
CNT
BYT
LST
SI RAM Address
100
0x0
0x0
1
0
Regular Channel
1
0
0
0x1
0x0
1
0
Super Channel 1
100
0x2
0x0
1
0
Super Channel 2
1
0
0
0x2
0x0
1
0
Super Channel 2
100
0x2
0x0
1
0
Super Channel 2
1
0
0
0x5
0x0
1
0
Regular Channel
100
0x1
0x0
1
0
Super Channel 1
100
0x1
0x0
1
0
Super Channel 1
1
0
0
0x8
0x0
1
1
Regular Channel
The super channel BD tables are associated with channels 1 and 2
SI RAM



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